A hydro-turbine apparatus (1) comprising a turbine (9), a water collection chamber (11), a water inlet, at least one water injector (10) directed towards the turbine so as to provide a driving force to the turbine, wherein the water inlet in communication with the at least one water injector, and the water collection chamber arranged to receive water which has been directed at the turbine, and the apparatus arranged for operative submersion in a body of water (WL).

A pumped storage electricity generating system that includes a water feed line for introducing water into a pressure vessel. Water flow valves communicate with the pressure vessel to control introduction of water into the pressure vessel. A push plate is mounted for movement in the pressure vessel between opposed first and second motors, for example, hydraulic radial piston motors adapted for reciprocating the push plate linearly between a first direction wherein water is drawn into the pressure vessel through the water flow valves and a second direction wherein water is conveyed downstream through the water discharge line under pressure to the hydroelectric turbine. Other embodiments are double-acting and convey water to the turbine on each stroke.

Energy storage system comprising: a first tunnel shaft extending in an upright direction from a ground level to a predetermined underground level; an underground chamber at the predetermined underground level in the first tunnel shaft; a water reservoir is provided at the ground level a second tunnel shaft extending in a lying direction at the predetermined underground level, the second tunnel shaft forming a second water reservoir; at least one pipe extending through the first tunnel shaft interconnecting the first water reservoir and the second water reservoir for enabling water to flow between the ground level and the predetermined underground level; and
at least one electrical pump and at least one electrical turbine operationally connected to the at least one pipe to enable a controlled charging and discharging of the energy storage system by running an upward and a downward flow of water via the pumps and the turbines, respectively.

Differential gravity power generator FIG. 1 consisting of a box height H, filled with fluid, subject to gravity. The box is divided into T.sub.1 (1, 2, 3, 4, 5, 8) and T.sub.2 (2, 3, 5, 6, 7, 8) by plane (2, 3, 5, 8) with openings A above and B below. The difference of effective head of T.sub.2 over T.sub.1 is ⅓H, resulting in a fluid flow from T.sub.2 to T.sub.1 through B. From the continuity equation an equal quantity of fluid flows from T.sub.1 to T.sub.2 through A, establishing a fluid conserving motion, demonstrated with working models. Applications: electricity generation with water or other fluid like liquid CO.sub.2 and motive purposes like propulsion of ships.

A method and device for non-emission electric energy production, consisting in: generating negative pressure or vacuum inside a pressure vessel in its upper part constituting a vacuum chamber in whose space a turbine rotor is situated; setting a height of a liquid or water column in the lower part of the pressure vessel constituting a liquid or water column below the turbine rotor, wherein the vacuum chamber is directly connected with the liquid or water chamber situated below the vacuum chamber, and a conventional interface between them is determined by the upper surface of the liquid or water column; closing a first closing means and supplying a liquid or water by a means for supplying a liquid or water to the vacuum chamber.

A System for Electricity Generation Using Heat Pump and Hydro Turbine, having very high efficiency is disclosed herein. The said system comprises Circular pipes arranged in rectangular pattern to form close circuit of water (10), water pump (1)attached to first end of said closed circuit (10), heat pump, hydraulic turbines (T1(3), T2(4) and T3(5)) placed at other three corners of the closed circuit (10), heater (2). Present invention uses pressure raised after low temperature heating of water in closed circuit (10) for energy generation. The hydraulic turbines are used to capture pressure generated in the closed circuit (10) and to convert it in mechanical work. As system works on low temperature it avoids huge losses of heat energy occurring at currently available mechanisms. The system is simple in construction, compact, low in capital cost, suitable for operation with local water and over a wide range of climatic conditions.

A convective power generation device is described based on thermal convection and thermal input energy. The energy generation device operates by heating wax and oil by heat from a solar concentrator or geothermal energy; as the weight of the wax becomes liquid that is lighter than the oil, the liquid wax moves up through a pathway; when the liquid wax reaches the top of the pathway, the cooler wax falls towards collecting cups mounted to a continuous belt and forces the belt downward to rotate the belt; when a collector cup of wax reaches the bottom of belt rotation, the wax falls to a reservoir; and the rotation of the belt drives a gearbox, which drives a generator to produce electric power. The convective power generation device has been shown to have higher energy conversion efficiency than photovoltaics.

Energy storage system comprising: a first tunnel shaft extending in an upright direction from a ground level to a predetermined underground level; an underground chamber at the predetermined underground level in the first tunnel shaft; a water reservoir is provided at the ground level a second tunnel shaft extending in a lying direction at the predetermined underground level, the second tunnel shaft forming a second water reservoir; at least one pipe extending through the first tunnel shaft interconnecting the first water reservoir and the second water reservoir for enabling water to flow between the ground level and the predetermined underground level; and
at least one electrical pump and at least one electrical turbine operationally connected to the at least one pipe to enable a controlled charging and discharging of the energy storage system by running an upward and a downward flow of water via the pumps and the turbines, respectively.

The invention relates to a hydraulic device that uses gravity and buoyancy forces, in which during a rotation of the assembly, movable masses (M1, . . . , Mn) are displaced by means of a force acting on the masses that counteracts the weight force in such a way that said masses contribute to the rotational movement.

A system and method for generating electrical energy including a power source, an electric pump power by power supply, a filter connected to ump and a tank, the tank connected to another filter, the other filter connected to one or more turbine rooms, the one or more turbines connected to a generator, the last turbine room connected to a vacuum chamber, the vacuum chamber connected to data logger and generators, and the data logger connected to the pump.